Finding the Fourth Proportional to 85,300.57, 117,736.41 and 49,486.06

Step by Step Solution

1. Step 1: Write the proportion equation
   85,300.57 : 117,736.41 = 49,486.06 : x
2. Step 2: Convert to fraction form
   85,300.57/117,736.41 = 49,486.06/x
3. Step 3: Cross multiply
   85,300.57x = 117,736.41 × 49,486.06
4. Step 4: Simplify right side
   85,300.57x = 5,826,311,049.44
5. Step 5: Solve for x
   x = 5,826,311,049.44/85,300.57
6. Step 6: Final answer
   x = 68,303.31